{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6184f3077127163445e1583551eb4a1c3f1c69feab9f966892ceeecef3c2451d",
    "signature": "0xea5ee435cef76723ab0d12103b2bcaa36514f911192cb9f1359cfb8195210cd0221294da93e156a65d7116eeab7e40228de5c6b8ba779c5afc4e57171f06ab901b",
    "signer": "0x35028D362D572f50EC7C5B810B6b748A3b2022Ec",
    "userId": "10862182"
  }
}